/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.openejb.config;

import org.apache.openejb.assembler.DeployerEjb;
import org.apache.openejb.assembler.classic.cmd.ConfigurationInfoEjb;
import org.apache.openejb.assembler.monitoring.JMXDeployer;
import org.apache.openejb.assembler.util.UserEjb;
import org.apache.openejb.jee.EjbJar;
import org.apache.openejb.jee.EnterpriseBean;
import org.apache.openejb.jee.Interceptor;
import org.apache.openejb.jee.InterceptorBinding;
import org.apache.openejb.jee.SingletonBean;
import org.apache.openejb.jee.StatelessBean;
import org.apache.openejb.jee.oejb3.EjbDeployment;
import org.apache.openejb.jee.oejb3.OpenejbJar;
import org.apache.openejb.mgmt.MEJBBean;
import org.apache.openejb.security.internal.InternalSecurityInterceptor;

/**
 * Avoids the needs to scan the classpath to load system applications that are used
 * for deploy tools and other command line tooling.
 */
public class SystemApps {

    public static EjbModule getSystemModule() {
        final EjbModule module = new EjbModule(new EjbJar("openejb"), new OpenejbJar());

        final OpenejbJar openejbJar = module.getOpenejbJar();
        final EjbJar ejbJar = module.getEjbJar();

        ejbJar.addEnterpriseBean(new StatelessBean(null, UserEjb.class));
        ejbJar.addEnterpriseBean(new StatelessBean(null, DeployerEjb.class));
        ejbJar.addEnterpriseBean(new StatelessBean(null, ConfigurationInfoEjb.class));
        ejbJar.addEnterpriseBean(new StatelessBean(null, MEJBBean.class));
        ejbJar.addInterceptor(new Interceptor(InternalSecurityInterceptor.class));
        ejbJar.getAssemblyDescriptor().addInterceptorBinding(new InterceptorBinding("*", InternalSecurityInterceptor.class.getName()));
        module.getMbeans().add(JMXDeployer.class.getName());

        final String className = "org.apache.tomee.catalina.deployer.WebappDeployer";
        if (exists(className)) {
            final SingletonBean bean = ejbJar.addEnterpriseBean(new SingletonBean("openejb/WebappDeployer", className));
            final EjbDeployment deployment = openejbJar.addEjbDeployment(bean);
            deployment.getProperties().put("openejb.jndiname.format", "{deploymentId}{interfaceType.annotationName}");

            final SingletonBean exceptionManager = ejbJar.addEnterpriseBean(new SingletonBean("openejb/ExceptionManagerFacade", "org.apache.tomee.catalina.facade.ExceptionManagerFacadeBean"));
            final EjbDeployment exceptionMgr = openejbJar.addEjbDeployment(exceptionManager);
            exceptionMgr.getProperties().put("openejb.jndiname.format", "{deploymentId}{interfaceType.annotationName}");
        }


        openejbJar.getProperties().put("openejb.deploymentId.format", "{ejbName}");
        openejbJar.getProperties().put("openejb.jndiname.format", "{deploymentId}{interfaceType.openejbLegacyName}");

        return module;
    }

    private static boolean exists(String className) {
        try {
            SystemApps.class.getClassLoader().loadClass(className);
            return true;
        } catch (Throwable t) {
            return false;
        }
    }
}